131.253.24.0/21
🇺🇸CIDR
131.253.24.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Ashburn
RIR
ARIN
Status
allocated
Allocated
6/22/2011
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 131.253.24.0/21 | AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | Valid | RADB | 6/13/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/131.253.24.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/131.253.24.0/21" | jq
External Links